Portable lap desk



FIG. 1 is a perspective view of a portable lap desk, showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a rear elevational view;

FIG. 4 is a rear elevational view showing the portable lap desk in closed condition;

FIG. 5 is a right side elevational view, showing the portable lap desk in closed condition, the left side being a mirror image thereof;

FIG. 6 is a cross-sectional view, taken along line 6--6 in FIG. 2;

FIG. 7 is a right side elevational view of an alternate embodiment of my new design in closed condition, the left side being a mirror image thereof;

FIG. 8 is a cross-sectional view of the alternate embodiment, taken along line 8--8 in FIG. 9; and,

FIG. 9 is a right side elevational view of the alternate embodiment, the left side being a mirror image thereof. 

The ornamental design for portable lap desk, as shown and described. 